Mercurial > genshi > genshi-test
comparison genshi/util.py @ 581:e9e1239960f5 stable-0.4.x
Ported [693:694] to 0.4.x branch.
| author | cmlenz |
|---|---|
| date | Tue, 31 Jul 2007 21:54:58 +0000 |
| parents | 6d01e91f2a49 |
| children | e5363d3c22d3 b090bf737111 |
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| 573:7fa1192c9da8 | 581:e9e1239960f5 |
|---|---|
| 13 | 13 |
| 14 """Various utility classes and functions.""" | 14 """Various utility classes and functions.""" |
| 15 | 15 |
| 16 import htmlentitydefs | 16 import htmlentitydefs |
| 17 import re | 17 import re |
| 18 try: | |
| 19 set | |
| 20 except NameError: | |
| 21 from sets import ImmutableSet as frozenset | |
| 22 from sets import Set as set | |
| 18 | 23 |
| 19 __docformat__ = 'restructuredtext en' | 24 __docformat__ = 'restructuredtext en' |
| 20 | 25 |
| 21 | 26 |
| 22 class LRUCache(dict): | 27 class LRUCache(dict): |
| 150 >>> flatten([1, (2, [3, 4]), 5]) | 155 >>> flatten([1, (2, [3, 4]), 5]) |
| 151 [1, 2, 3, 4, 5] | 156 [1, 2, 3, 4, 5] |
| 152 """ | 157 """ |
| 153 retval = [] | 158 retval = [] |
| 154 for item in items: | 159 for item in items: |
| 155 if isinstance(item, (list, tuple)): | 160 if isinstance(item, (frozenset, list, set, tuple)): |
| 156 retval += flatten(item) | 161 retval += flatten(item) |
| 157 else: | 162 else: |
| 158 retval.append(item) | 163 retval.append(item) |
| 159 return retval | 164 return retval |
| 160 | 165 |